matlab运行代码错误，应该怎么处理？

uiabluqp

clear all
& d' C# P! j' `0 Aclc
x=0:0.01:9;
y=x+10*sin(5*x)+7*cos(4*x);
figure
* }$ X, f: _* j2 `) }9 Eplot(x,y)
+ l0 g' r+ U) X1 O# Gxlabel('自变量')
ylabel('因变量')
title('y=x+10*sin(5*x)+7*cos(4*x)')
grid
# G  ^( m( }  j# ?initPop=initializega(50,[0 9],'fitness');
运行提示：
Error in Untitled1 (line 11)
& |. i! N" J+ Q( J0 n' vinitPop=initializega(50,[0 9],'fitness');
应该怎么办？？？

smileqq

流B